title: H7N9 kills one third of confirmed cases admitted to hospital.
mesh_terms: D000818:Animals; D002645:Chickens; D002681:China / Q000453:epidemiology; D021821:Communicable Diseases, Emerging / Q000401:mortality* / Q000628:therapy; D003422:Critical Care; D005260:Female; D017052:Hospital Mortality; D006760:Hospitalization / Q000706:statistics & numerical data*; D006801:Humans; D009980:Influenza A virus / Q000472:pathogenicity*; D005585:Influenza in Birds / Q000401:mortality*; D007251:Influenza, Human / Q000401:mortality* / Q000628:therapy; D008297:Male; D011159:Population Surveillance; D012121:Respiration, Artificial